201869330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{21871}}^1$

素因数の和:21962

約数の個数: 32

約数和(自身を含む): 396845568

約数和(自身を除く): 194976238

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 9230, 21871, 43742, 109355, 218710, 284323, 568646, 1421615, 1552841, 2843230, 3105682, 7764205, 15528410, 20186933, 40373866, 100934665, 201869330]

約数ペア:

[(1, 201869330), (2, 100934665), (5, 40373866), (10, 20186933), (13, 15528410), (26, 7764205), (65, 3105682), (71, 2843230), (130, 1552841), (142, 1421615), (355, 568646), (710, 284323), (923, 218710), (1846, 109355), (4615, 43742), (9230, 21871)]